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bug#35927: 26.2; url-http-end-of-headers sets to 1 when cache is working
From: |
xuchunyang |
Subject: |
bug#35927: 26.2; url-http-end-of-headers sets to 1 when cache is working |
Date: |
Mon, 27 May 2019 23:43:46 +0800 |
User-agent: |
Cyrus-JMAP/3.1.6-553-gc304556-fmstable-20190524v1 |
On Mon, May 27, 2019, at 11:21 PM, Basil L. Contovounesios wrote:
> Xu Chunyang <mail@xuchunyang.me> writes:
>
> > Today I enable URL cache via
> >
> > (setq url-automatic-caching t
> > url-cache-expire-time (* 6 3600))
> >
> > and I notice url-http-end-of-headers isn't the end of the headers when
> > cache is working. This breaks some of my code, I assume it is the end of
> > the header so I use (goto-char url-http-end-of-headers) before parsing
> > the response body. Is this expected or a bug?
> >
> > (with-current-buffer (url-retrieve-synchronously "http://example.com")
> > (message "=> %S" url-http-end-of-headers))
> > "=> #<marker at 347 in *http example.com:80*>"
> >
> > (with-current-buffer (url-retrieve-synchronously "http://example.com")
> > (message "=> %S" url-http-end-of-headers))
> > "=> #<marker at 1 in *http example.com:80*-325608>"
> >
> > (with-current-buffer (url-retrieve-synchronously "http://example.com")
> > (message "=> %S" url-http-end-of-headers))
> > "=> #<marker at 1 in *http example.com:80*-887290>"
>
> I can't seem to reproduce this on emacs-26 or master:
>
> 0. HOME=$(mktemp -d) emacs -Q
> 1. (let ((get (lambda ()
> (with-current-buffer
> (url-retrieve-synchronously "https://gnu.org")
> (message "%s" url-http-end-of-headers)))))
> (dotimes (_ 3) (funcall get))
> (setq url-automatic-caching t
> url-cache-expire-time (* 6 3600))
> (dotimes (_ 3) (funcall get)))
> 2. C-x C-e
>
> Contacting host: gnu.org:443
> #<marker at 470 in *http www.gnu.org:443*>
> Contacting host: gnu.org:443
> #<marker at 469 in *http www.gnu.org:443*-93923>
> #<marker at 469 in *http www.gnu.org:443*-669963>
> Contacting host: gnu.org:443
> #<marker at 469 in *http www.gnu.org:443*-843863>
> #<marker at 469 in *http www.gnu.org:443*-298952>
> #<marker at 469 in *http www.gnu.org:443*-323128>
>
> What am I doing wrong?
Can you give http://example.com a try? It seems it's fine with https://gnu.org.
> --
> Basil
>
> In GNU Emacs 26.2.50 (build 8, x86_64-pc-linux-gnu, X toolkit, Xaw3d
> scroll bars)
> of 2019-05-27 built on thunk
> Repository revision: c4d4dcf17e407a3c68e150f22b9756ef6c943070
> Windowing system distributor 'The X.Org Foundation', version
> 11.0.12003000
> System Description: Debian GNU/Linux 10 (buster)
>
> Configured using:
> 'configure 'CC=ccache gcc' 'CFLAGS=-O0 -g3 -ggdb -gdwarf-4'
> --config-cache --prefix=/home/blc/.local --program-suffix=26
> --enable-checking=yes,glyphs --enable-check-lisp-object-type
> --with-mailutils --with-x-toolkit=lucid --with-modules
> --with-file-notification=yes --with-x'
>
> Configured features:
> XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS
> GLIB NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT
> ZLIB TOOLKIT_SCROLL_BARS LUCID X11 XDBE XIM MODULES THREADS LIBSYSTEMD
> LCMS2
>
> Important settings:
> value of $LANG: en_IE.UTF-8
> locale-coding-system: utf-8-unix
>
>
> In GNU Emacs 27.0.50 (build 6, x86_64-pc-linux-gnu, X toolkit, Xaw3d
> scroll bars)
> of 2019-05-25 built on thunk
> Repository revision: ec4b2c888ad12c255accf1bccdac12f173c96047
> Repository branch: master
> Windowing system distributor 'The X.Org Foundation', version
> 11.0.12003000
> System Description: Debian GNU/Linux 10 (buster)
>
> Configured using:
> 'configure 'CC=ccache gcc' 'CFLAGS=-O2 -march=native' --config-cache
> --prefix=/home/blc/.local --with-mailutils --with-x-toolkit=lucid
> --with-modules --with-file-notification=yes --with-x'
>
> Configured features:
> XAW3D XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS GSETTINGS GLIB NOTIFY
> INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
> TOOLKIT_SCROLL_BARS LUCID X11 XDBE XIM MODULES THREADS LIBSYSTEMD JSON
> PDUMPER LCMS2 GMP
>